HRX-MM-N007
Chapter 3 Alarm Indication and Troubleshooting
3.3 Troubleshooting
HRS Series
3-12
16.
Check the analogue
output of the the pressure sensor
(for high pressure) in the
refrigerant circuit.
14.
Check the display of the
pressure sensor (for high ressure)
in the refrigerant
circuit.
Error
Error
Normal
Error
10.
Check the pressure
sensor in the refrigerant
circuit.
Refrigerant circuit pressure sensor
(for high pressure), which is a part of
the refrigerant circuit, needs to be
replaced. Only a specialized
operator is allowed to handle the
refrigerant circuit.
See document No. HRX-MM-S029
for replacement.
See document No. HRX-MM-S029
for replacement.
Refrigerant circuit pressure sensor
(for low pressure), which is a part
of the refrigerant circuit, needs to
be replaced. Only a specialized
operator is allowed to handle the
refrigerant circuit.
To the previous page
Go back to "11. Check if the
coolant leaks".
13.
Check for an input from
the pressure sensor in the
refrigerant circuit.
Normal
Error
Normal
Normal
15.
Check the display
of the pressure sensor
(for low pressure) in the
refrigerant circuit.
Error
Error
Normal
Go back to "11. Check if
refrigerant leakage"on the
previous page.
Normal
Replace the main board.
See section "4.5.16
Replacement of main
board & communication
board".
17.
Check the analogue
output of the the pressure sensor
(for low pressure) in the
refrigerant circuit.
